![]() ![]() ![]() The researchers are aiming at developing a device that could be used at a low threshold because it does not require similar special preparations, special facilities and training as the use of high-field equipment. In the project being launched, the aim is to develop the technology further and to find suitable applications. Researchers at Aalto University have been developing the technology for the past few years and are now ready to start testing the prototype shortly. Small and mobile scanning equipment could also be utilised in refugee camps or other emergency locations. It could be used for diagnosis of inflammatory diseases such as pneumonia and maxillary sinusitis, internal bleeding, abscesses and fluid deposition. ![]() The image quality of a low-field MRI scanner is not as accurate as that of high-field scanners, but it is still sufficient for many purposes. In a permanent magnetic material, the magnetic field is persistent, while in electromagnets, it is produced by an electric current. The technology is based on the use of permanent magnets instead of superconducting electromagnets. ‘The novel MRI technology uses a magnetic field that is weaker than the one used in traditional MRI imaging, which allows the equipment to be significantly smaller’, says Aalto Assistant Professor Ilkka Laakso.
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